"""
__project__ = 'wuyun'
__file_name__ = 'day4'
__author__ = 'lanting'
__time__ = '2021/3/30 21:35'
__product_name = PyCharm
"""
i=1
j=1
while (i<6):
    print("*"*i)
    i=i+1
while (j<i):
    print("*"*i)
    i=i-1